Development and implementation of fan aeroacoustic simulation tool integrated in vehicle engine cooling application

SCHEME: Industrial Fellowships

CALL: 2016

DOMAIN: MS - Materials, Physics and Engineering

FIRST NAME: Bruno

LAST NAME: Coutty

INDUSTRY PARTNERSHIP / PPP: Yes

INDUSTRY / PPP PARTNER: University of Sherbrooke

HOST INSTITUTION: Mahle Behr

KEYWORDS: fanaeroacousticssimulationCFD (Computed Fluid Dynamic)CAA (computational aero acoustics)broadband noise

START: 2017-05-01

END: 2020-04-30

WEBSITE:

Submitted Abstract

The context of the PhD project is the development of light vehicle (passenger cars) engine cooling Motor Fan and Shroud (MFS) by simulation in terms of acoustic and airflow performance. The objective of the PhD project is to develop a fast and cheap analytical aeroacoustics simulation method using standard CFD simulation results that will be integrated in the existing airflow optimization process. Several mechanisms are involved in the noise generation of engine cooling systems, where the fan and especially the blades are the main sources of noise. This topic has already been studied in different contexts, in particular aeronautics, mainly since the recent increase of the aircraft traffic and the consequent environmental impact. The specificity of the project will be to integrate the developed methods to the automotive engine cooling system environment, considering realistic constraints of the industrial development process in terms of accuracy, computational resource and available development time. Broadband noise is the first type of noise of interest in the project but tonal noise prediction will also be investigated The models will be applied successively on one blade, one fan and one cooling module comprising the fan, the shroud and a set of heat exchanger. Then, validation and robustness will be evaluated by application of the method to different engine cooling module geometries.

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